org.eclipse.virgo.ide.bundlor.ui/src/org/eclipse/virgo/ide/bundlor/ui/internal/actions/AutomaticRunBundlorActionDelegate.java

/*********************************************************************
 * Copyright (c) 2009 - 2013 SpringSource, a division of VMware, Inc.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
**********************************************************************/

package org.eclipse.virgo.ide.bundlor.ui.internal.actions;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.statushandlers.StatusManager;
import org.eclipse.virgo.ide.bundlor.internal.core.BundlorCorePlugin;
import org.eclipse.virgo.ide.bundlor.ui.BundlorUiPlugin;
import org.eclipse.virgo.ide.facet.core.FacetUtils;

/**
 * {@link IObjectActionDelegate} to enables/disables the incremental Bundlor project builder.
 *
 * @author Christian Dupuis
 * @since 1.1.3
 */
public class AutomaticRunBundlorActionDelegate extends RunBundlorActionDelegate {

    @Override
    public void run(IAction action) {
        final Set<IJavaProject> projects = new LinkedHashSet<IJavaProject>();
        Iterator<IProject> iter = getSelected().iterator();
        while (iter.hasNext()) {
            IProject project = iter.next();
            if (FacetUtils.isBundleProject(project)) {
                projects.add(JavaCore.create(project));
            }
        }
        IRunnableWithProgress op = new WorkspaceModifyOperation() {

            @Override
            protected void execute(IProgressMonitor monitor) throws CoreException, InterruptedException {
                for (final IJavaProject javaProject : projects) {
                    IProject project = javaProject.getProject();
                    IProjectDescription description = project.getDescription();
                    try {
                        List<ICommand> cmds = Arrays.asList(description.getBuildSpec());
                        List<ICommand> newCmds = new ArrayList<ICommand>(cmds);
                        if (BundlorUiPlugin.isBundlorBuilding(project)) {
                            for (ICommand config : cmds) {
                                if (config.getBuilderName().equals(BundlorCorePlugin.BUILDER_ID)) {
                                    newCmds.remove(config);
                                }
                            }
                        } else {
                            ICommand command = project.getDescription().newCommand();
                            command.setBuilderName(BundlorCorePlugin.BUILDER_ID);
                            newCmds.add(command);
                        }
                        if (!cmds.equals(newCmds)) {
                            description.setBuildSpec(newCmds.toArray(new ICommand[] {}));
                            project.setDescription(description, monitor);
                        }
                    } catch (CoreException e) {
                        StatusManager.getManager().handle(
                            new Status(IStatus.ERROR, BundlorUiPlugin.PLUGIN_ID, "An exception occurred while running bundlor.", e));
                    }
                }
            }
        };

        try {
            PlatformUI.getWorkbench().getProgressService().runInUI(PlatformUI.getWorkbench().getActiveWorkbenchWindow(), op,
                ResourcesPlugin.getWorkspace().getRoot());
        } catch (InvocationTargetException e) {
            StatusManager.getManager().handle(
                new Status(IStatus.ERROR, BundlorUiPlugin.PLUGIN_ID, "An exception occurred while running bundlor.", e));
        } catch (InterruptedException e) {
        }

    }

    @Override
    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    }

}